Coronary sulcus

Coronary sulcus - Definition

It is a furrow (groove) on the external cardiac surface that acts as the point of division between the atria and the ventricles.

Coronary sulcus – Other Names

It is also referred to by the following names:

AV Groove

Atrioventricular Groove

Auriculoventricular Groove

Coronary Groove

Coronary sulcus - Location

This structure is positioned between the ventricle and the atrium in the left cardiac area.

Coronary sulcus - Function

This important furrow is the seat of the “nutrient vessels of the heart,” a name given to the trunks of the blood vessels. It is also comprised of arteries and veins that supply blood to and receive from the cardiac muscles.

The groove also gives passage to the following structures:

Coronary arteries

Coronary sinus

Coronary veins

Coronary sulcus - Pictures

The images underneath would let you know about the location and physical appearance of this cardiac groove.